Merge branch '5.0'

javiereguiluz · javiereguiluz · commit ed2a34fce9e2 · 2020-04-29T08:40:38.000+02:00
* 5.0:
  [Error pages] Add missing use
diff --git a/controller/error_pages.rst b/controller/error_pages.rst
@@ -212,6 +212,7 @@ contents, create a new Normalizer that supports the ``FlattenException`` input::
     # src/App/Serializer/MyCustomProblemNormalizer.php
     namespace App\Serializer;
 
+    use Symfony\Component\ErrorHandler\Exception\FlattenException;
     use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 
     class MyCustomProblemNormalizer implements NormalizerInterface
